package com.example.hospital_208.service;

import com.example.hospital_208.po.Room;
import java.util.List;

public interface RoomService {
    List<Room> listRooms();          // 查询所有
    Room getRoomById(Integer roomId); // 根据ID查询
    int addRoom(Room room);          // 新增
    int updateRoom(Room room);       // 修改
    int deleteRoom(Integer roomId);  // 删除
}